package org.shiro3.realm;

import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authc.IncorrectCredentialsException;
import org.apache.shiro.authc.SimpleAuthenticationInfo;
import org.apache.shiro.authc.UnknownAccountException;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.authz.SimpleAuthorizationInfo;
import org.apache.shiro.authz.permission.WildcardPermission;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.subject.PrincipalCollection;
import org.shiro3.permission.BitPermission;


public class MyRealm2 extends AuthorizingRealm{
	@Override
	protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
		SimpleAuthorizationInfo authorizationInfo = new SimpleAuthorizationInfo();
		authorizationInfo.addRole("role1");
		authorizationInfo.addRole("role2");
		authorizationInfo.addObjectPermission(new BitPermission("+user1+10"));
		authorizationInfo.addObjectPermission(new WildcardPermission("user1:*"));
		authorizationInfo.addStringPermission("+user2+10");
		if(principals.getRealmNames().contains("myrealm2")){
		authorizationInfo.addStringPermission("user2:test1");
		}
		return authorizationInfo;
	}
	@Override
	protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws
	AuthenticationException {
		String username = (String)token.getPrincipal(); //得到用户名
		String password = new String((char[])token.getCredentials()); //得到密码
		if(!"wang".equals(username)) {
		throw new UnknownAccountException(); //如果用户名错误
		}
		if(!"123".equals(password)) {
		throw new IncorrectCredentialsException(); //如果密码错误
		}
		//如果身份认证验证成功，返回一个 AuthenticationInfo 实现；
		return new SimpleAuthenticationInfo(username, password, "myrealm2");
	}
}
